Difference between revisions of "2003 AMC 8 Problems/Problem 2"

Revision as of 09:36, 25 November 2011

Which of the following numbers has the smallest prime factor?

$\mathrm{(A)}\ 55 \qquad\mathrm{(B)}\ 57 \qquad\mathrm{(C)}\ 58 \qquad\mathrm{(D)}\ 59 \qquad\mathrm{(E)}\ 61$

The smallest prime factor is $2$ , and since $58$ is the only multiple of $2$ , the answer is $\boxed{\mathrm{(C)}\ 58}$ .

2003 AMC 8 (Problems • Answer Key • Resources)
Preceded by Problem 1	Followed by Problem 3
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25
All AJHSME/AMC 8 Problems and Solutions

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 ==Solution==
 The smallest prime factor is <math> 2 </math>, and since <math> 58 </math> is the only multiple of <math> 2 </math>, the answer is <math> \boxed{\mathrm{(C)}\ 58} </math>.
+{{AMC8 box|year=2003|num-b=1|num-a=3}}